Page 71 - Foton Workshop Manual - Auman EST-M

Diagnosis - Diagnosis-fault diagnosis of electronic and electrical parts DI - 17

Terminal Terminal IN
Function Function
number number
19 Brake lamp switch signal 69 Fuel water separation sensor + DI
22 Urea pump assembly sensor 5V power supply 72 Urea pump air pressure signal
23 Electric accelerator sensor 1 power supply 74 Urea metering valve+ EG
Discharge system SCR intake temperature
24 75 Exhaust braking relay coil +
signal
TR
25 Electric throttle 1 position signal 76 Urea pump PWM control signal

28 Urea tank urea temperature signal 79 Urea pump by-pass valve signal
AX
30 Urea pump power supply 83 Exhaust braking switch signal

31 Pre-heater relay control signal 84 CAN-L
FR
38 Cruise acceleration switch signal 88 Electric accelerator sensor 2 power supply

39 Cruise main control switch 89 Electric accelerator sensor 2 ground
ST
43 Clutch pedal/cruise/exhaust braking switch 91 Urea tank urea level signal

Urea tank urea level temperature sensor to
45 92 Electric throttle 2 position signal
ground BR
47 Urea pressure signal 93 Discharge system intake temperature signal
Engine BW

EL

Terminal Function Terminal Function
number number

1 Injector of Cylinder 3 + 49 Injector of Cylinder 1 -
2 Injector of Cylinder 2 + 50 Injector of Cylinder 1 +
13 Crankshaft position sensor + 62 Camshaft position sensor signal
14 Crankshaft position sensor - 63 Camshaft position sensor ground

15 CAN-H 64 Environmental pressure sensor ground
Intake manifold pressure/temperature sensor
16 CAN-L 65
ground

DI-017